Optical parts. Classes of cleanness of optical surfaces. Methods of control
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Optical materials. Parameters
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Electronic photo-flashes for amateur photography
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Optics. Reference wavelengths
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Fibre optic communication lines. Optical fibres. Main dimensions.
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Optical dashed wedges. Technical conditions.
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Bottom layers for interferential light filter. Specification.
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Optomechanical instruments for tropical climate areas. General specifications.
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Connection of circular optic details with frames. Fits and clearance.
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“Dovetail” type junctions. Types and basic parameters.
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Handles for controls of the optical-mechanical devices. Types and main dimensions.
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Optical components antireflected with magnesium fluoride. Technical requirements and methods of control.
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